<template>
    <div>
      <h2>App组件</h2>
      <p v-upper-text='msg'></p>
    </div>
</template>

<script>
  export default {
    name:'App',
    data(){
      return{
        msg:'hello worder'
      }
    }
  }
</script>

<style scoped>
  
</style>